From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 9AE7A83D for ; Mon, 1 Aug 2016 12:29:24 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 5D953169 for ; Mon, 1 Aug 2016 12:29:23 +0000 (UTC) Date: Mon, 1 Aug 2016 14:29:15 +0200 From: Jan Kara To: Mel Gorman Message-ID: <20160801122915.GC19431@quack2.suse.cz> References: <20160729141126.GG2799@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160729141126.GG2799@techsingularity.net> Cc: ksummit-discuss@lists.linuxfoundation.org Subject: Re: [Ksummit-discuss] [TECH TOPIC] Open panel for discussing MM problems List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi! On Fri 29-07-16 15:11:26, Mel Gorman wrote: > There is at least one MM topic proposed so there is a chance that some > MM people will be around. I hear that a few people have been struggling > with MM-related topics recently but not getting a lot of traction. It's > hard to get a handle on how big of a problem this is or if it's even a > problem. It's possible I just happened to hear from the only people who > are unhappy with MM. > > I think it would be beneficial to have an open MM panel on the morning of > the day that overlaps with Plumbers to get a handle on how many people > have MM-related problems and what class of problems they're having. It > would start by having each member spend 1-3 minutes talking about what > they're currently then open it up to the floor. > > People would be welcome to describe any MM-related issues they have and > ask the panel to either propose solutions or at least note that it's > something that should be fixed in the future. Ideally this would be a > better description than "MM sucks" or "sometimes the system is slow and I > feel the MM is responsible". If there is a concrete problem, there would be > no guarantee it will get fixed by anyone on the panel but at least we'd be > aware. It might be a bust if we don't have enough for a panel or everyone > is perfectly happy with the MM as it is. However, if it works and there > are some problems discussed then it'll be interesting to see how many, > if any, are fixed by the next LSF/MM. Sounds useful. > The people I know are willing to participate if they are at Kernel Summit > are Vlastimil Babka, Johannes Weiner, Rik van Riel and myself. There is > a strong preference for the morning due to potential flight conflicts but > hopefully that can be arranged without colliding with Plumber keynotes. If > anyone else was interested in being up there, they'd be more than welcome > assuming they know which way is up with mm/. I'd be happy to join as well. I'm not really an MM guy but I can bring knowledge of writeback code and MM-FS interactions which sometimes cause issues. Honza -- Jan Kara SUSE Labs, CR